Voice Data Video (VDV) Practice Test Questions & answers with Complete solutions | Latest edition
5 vues 1 fois vendu
Cours
Video Game Design
Établissement
Video Game Design
Voice Data Video (VDV) Practice Test Questions & answers with Complete solutions | Latest edition
Voice Data Video (VDV) Practic Questions & answers with Complete solutions | Latest edition e Test
Voice Data Video (VDV) Practice Test
The cable voltage ratings on communications wires and cables ____________ be
marked on the cable or on the under carpet communications wire.
a. must
b. must not
c. shall
d. shall not - ANS-d. shall not
REF: [NEC] 800.179
What is the smallest size grounding conductor that can be used for a CATV system?
a. 18 AWG
b. 14 AWG
c. 12 AWG
d. 6 AWG - ANS-b. 14 AWG
REF: [NEC] 820.100(A)(3)
Which type of communication cable would you use between floors?
a. CM
b. CMP
c. CMG
d. CMR - ANS-d. CMR
REF: [NEC] 800.179(B) or 800.154(a)
The "C" in optical fiber cabling marking means __________.
a. compliance
b. conductive
c. composite
d. copper - ANS-b. conductive
REF: [NEC] 770.179
Class 1 Remote Control & Signaling Circuits power output of the source shall
_________.
a. not be required to be limited
,b. be required to be limited
c. be limited to 1000 VA
d. both A & C - ANS-a. not be required to be limited
REF: [NEC] 725.41(B)
Direct buried CATV coaxial cables shall be separated by at least ______ inches from
conductors of any light or power or Class 1 circuit.
a. 6
b. 12
c. 24
d. 36 - ANS-b. 12
REF: [NEC] 820.47(B)
What two types of optical fiber cables are permitted to be installed in listed plenum
raceways (installed as described in 300.22(B) and 300.22(C)?
a. OFC & OFCG
b. OFNR & OFNG
c. OFCP & OFCR
d. OFCP & OFNP - ANS-d. OFCP & OFNP
REF: [NEC] 770.154(A) & 770.113(C)(2)
The total voltage of two 12V batteries installed in parallel would be equal to?
a. 12VAC
b. 24VAC
c. 12VDC
d. 24VDC - ANS-c. 12VDC
The ________ portion of abandoned communications cables shall be removed.
a. accessible
b. viewable
c. surface
d. hidden - ANS-a. accessible
REF: [NEC] 800.25
10. Installation of equipment that is electrically connected to a communications network
shall __________________________.
,a. also include temporary connection of testing equipment for maintenance or repair.
b. be listed as being suitable for electrical connection to a communication network.
c. be listed as being suitable for electrical connection to a communications network
including temporary connection of testing equipment for maintenance orrepair.
d. none of the above - ANS-b. be listed as being suitable for electrical connection to a
communication network.
REF: [NEC] 800.170, 800.18
What type of coaxial cable could be substituted for CATV cable?
a. CMX
b. CATVP
c. FPLP
d. all of the above. - ANS-b. CATVP
REF: [NEC] 820.154(b)
Access to electrical equipment ______________ be denied by an accumulation of
optical fiber cables that _______ removal of panels including suspended ceiling panels.
a. shall not, prevents
b. shall not, impedes
c. shall not, conveys
d. none of the above - ANS-a. shall not, prevents
REF: [NEC] 770.21
Which group of optical fiber cable markings is not correct?
a. OFNP, OFCP, OFNR
b. OFNP, OFNX
c. OFCG, OFC
d. OFNP, OFNR - ANS-b. OFNP, OFNX
REF: [NEC] 770.179
OFNP is _______________.
a. nonconductive optical fiber general purpose cable
b. optical fiber non-plenum cable
c. optical fiber conductive plenum cable
a. CMP, CL3P, CMR
b. CMP, CL3P, CL2P
c. CMP, CL3P, CL2P, CMR, CL3R
d. CL3R, CMG, CM, PLTC - ANS-a. CMP, CL3P, CMR
REF: [NEC] 725.154(A)
CL2 nomenclature stands for?
a. Communication Level 2
b. Class 2
c. Conductive Load x2
d. none of the above - ANS-b. Class 2
REF: [NEC] 725.179
Communication wires and cables shall have a voltage rating of not less than ________.
a. 100 Volts
b. 300 Amps
c. 300 Volts
d. 600 Volts - ANS-c. 300 Volts
REF: [NEC] 800.179
What article would you find information regarding Radio & Television equipment?
a. Article 720
b. Article 725
c. Article 770
d. Article 810 - ANS-d. Article 810
Which optical fiber cable(s) could be substituted for OFNR?
a. OFN, OFNG
b. OFNP
c. OFNG
Les avantages d'acheter des résumés chez Stuvia:
Qualité garantie par les avis des clients
Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.
L’achat facile et rapide
Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.
Focus sur l’essentiel
Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.
Foire aux questions
Qu'est-ce que j'obtiens en achetant ce document ?
Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.
Garantie de remboursement : comment ça marche ?
Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.
Auprès de qui est-ce que j'achète ce résumé ?
Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur EXAMQA. Stuvia facilite les paiements au vendeur.
Est-ce que j'aurai un abonnement?
Non, vous n'achetez ce résumé que pour €10,71. Vous n'êtes lié à rien après votre achat.
